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<?php
/**
* List constraints on a table
*
* $Id: constraints.php,v 1.56 2007/12/31 16:46:07 xzilla Exp $
*/
// Include application functions
include_once('./libraries/lib.inc.php');
include_once('./classes/class.select.php');
$action = (isset($_REQUEST['action'])) ? $_REQUEST['action'] : '';
/**
* Confirm and then actually add a FOREIGN KEY constraint
*/
function addForeignKey($stage, $msg = '') {
global $data, $misc;
global $lang;
if (!isset($_POST['name'])) $_POST['name'] = '';
if (!isset($_POST['target'])) $_POST['target'] = '';
switch ($stage) {
case 2:
// Check that they've given at least one source column
if (!isset($_REQUEST['SourceColumnList']) && (!isset($_POST['IndexColumnList']) || !is_array($_POST['IndexColumnList']) || sizeof($_POST['IndexColumnList']) == 0))
addForeignKey(1, $lang['strfkneedscols']);
else {
// Copy the IndexColumnList variable from stage 1
if (isset($_REQUEST['IndexColumnList']) && !isset($_REQUEST['SourceColumnList']))
$_REQUEST['SourceColumnList'] = serialize($_REQUEST['IndexColumnList']);
// Initialise variables
if (!isset($_POST['upd_action'])) $_POST['upd_action'] = null;
if (!isset($_POST['del_action'])) $_POST['del_action'] = null;
if (!isset($_POST['match'])) $_POST['match'] = null;
if (!isset($_POST['deferrable'])) $_POST['deferrable'] = null;
if (!isset($_POST['initially'])) $_POST['initially'] = null;
$_REQUEST['target'] = unserialize($_REQUEST['target']);
$misc->printTrail('table');
$misc->printTitle($lang['straddfk'],'pg.constraint.foreign_key');
$misc->printMsg($msg);
// Unserialize target and fetch appropriate table. This is a bit messy
// because the table could be in another schema.
if ($data->hasSchemas())
$data->setSchema($_REQUEST['target']['schemaname']);
$attrs = $data->getTableAttributes($_REQUEST['target']['tablename']);
if ($data->hasSchemas())
$data->setSchema($_REQUEST['schema']);
$selColumns = new XHTML_select('TableColumnList', true, 10);
$selColumns->set_style('width: 15em;');
if ($attrs->recordCount() > 0) {
while (!$attrs->EOF) {
$selColumns->add(new XHTML_Option($attrs->fields['attname']));
$attrs->moveNext();
}
}
$selIndex = new XHTML_select('IndexColumnList[]', true, 10);
$selIndex->set_style('width: 15em;');
$selIndex->set_attribute('id', 'IndexColumnList');
$buttonAdd = new XHTML_Button('add', '>>');
$buttonAdd->set_attribute('onclick', 'buttonPressed(this);');
$buttonAdd->set_attribute('type', 'button');
$buttonRemove = new XHTML_Button('remove', '<<');
$buttonRemove->set_attribute('onclick', 'buttonPressed(this);');
$buttonRemove->set_attribute('type', 'button');
echo "<form onsubmit=\"doSelectAll();\" name=\"formIndex\" action=\"constraints.php\" method=\"post\">\n";
echo "<table>\n";
echo "<tr><th class=\"data\" colspan=\"3\">{$lang['strfktarget']}</th></tr>";
echo "<tr><th class=\"data\">{$lang['strtablecolumnlist']}</th><th class=\"data\"> </th><th class=data>{$lang['strfkcolumnlist']}</th></tr>\n";
echo "<tr><td class=\"data1\">" . $selColumns->fetch() . "</td>\n";
echo "<td class=\"data1\" style=\"text-align: center\">" . $buttonRemove->fetch() . $buttonAdd->fetch() . "</td>";
echo "<td class=\"data1\">" . $selIndex->fetch() . "</td></tr>\n";
echo "<tr><th class=\"data\" colspan=\"3\">{$lang['stractions']}</th></tr>";
echo "<tr>";
echo "<td class=\"data1\" colspan=\"3\">\n";
// ON SELECT actions
echo "{$lang['stronupdate']} <select name=\"upd_action\">";
foreach ($data->fkactions as $v)
echo "<option value=\"{$v}\"", ($_POST['upd_action'] == $v) ? ' selected="selected"' : '', ">{$v}</option>\n";
echo "</select><br />\n";
// ON DELETE actions
echo "{$lang['strondelete']} <select name=\"del_action\">";
foreach ($data->fkactions as $v)
echo "<option value=\"{$v}\"", ($_POST['del_action'] == $v) ? ' selected="selected"' : '', ">{$v}</option>\n";
echo "</select><br />\n";
// MATCH options
echo "<select name=\"match\">";
foreach ($data->fkmatches as $v)
echo "<option value=\"{$v}\"", ($_POST['match'] == $v) ? ' selected="selected"' : '', ">{$v}</option>\n";
echo "</select><br />\n";
// DEFERRABLE options
echo "<select name=\"deferrable\">";
foreach ($data->fkdeferrable as $v)
echo "<option value=\"{$v}\"", ($_POST['deferrable'] == $v) ? ' selected="selected"' : '', ">{$v}</option>\n";
echo "</select><br />\n";
// INITIALLY options
echo "<select name=\"initially\">";
foreach ($data->fkinitial as $v)
echo "<option value=\"{$v}\"", ($_POST['initially'] == $v) ? ' selected="selected"' : '', ">{$v}</option>\n";
echo "</select>\n";
echo "</td></tr>\n";
echo "</table>\n";
echo "<p><input type=\"hidden\" name=\"action\" value=\"save_add_foreign_key\" />\n";
echo $misc->form;
echo "<input type=\"hidden\" name=\"table\" value=\"", htmlspecialchars($_REQUEST['table']), "\" />\n";
echo "<input type=\"hidden\" name=\"name\" value=\"", htmlspecialchars($_REQUEST['name']), "\" />\n";
echo "<input type=\"hidden\" name=\"target\" value=\"", htmlspecialchars(serialize($_REQUEST['target'])), "\" />\n";
echo "<input type=\"hidden\" name=\"SourceColumnList\" value=\"", htmlspecialchars($_REQUEST['SourceColumnList']), "\" />\n";
echo "<input type=\"hidden\" name=\"stage\" value=\"3\" />\n";
echo "<input type=\"submit\" value=\"{$lang['stradd']}\" />\n";
echo "<input type=\"submit\" name=\"cancel\" value=\"{$lang['strcancel']}\" /></p>\n";
echo "</form>\n";
}
break;
case 3:
// Unserialize target
$_POST['target'] = unserialize($_POST['target']);
// Check that they've given at least one column
if (isset($_POST['SourceColumnList'])) $temp = unserialize($_POST['SourceColumnList']);
if (!isset($_POST['IndexColumnList']) || !is_array($_POST['IndexColumnList'])
|| sizeof($_POST['IndexColumnList']) == 0 || !isset($temp)
|| !is_array($temp) || sizeof($temp) == 0) addForeignKey(2, $lang['strfkneedscols']);
else {
$status = $data->addForeignKey($_POST['table'], $_POST['target']['schemaname'], $_POST['target']['tablename'],
unserialize($_POST['SourceColumnList']), $_POST['IndexColumnList'], $_POST['upd_action'], $_POST['del_action'],
$_POST['match'], $_POST['deferrable'], $_POST['initially'], $_POST['name']);
if ($status == 0)
doDefault($lang['strfkadded']);
else
addForeignKey(2, $lang['strfkaddedbad']);
}
break;
default:
$misc->printTrail('table');
$misc->printTitle($lang['straddfk'],'pg.constraint.foreign_key');
$misc->printMsg($msg);
$attrs = $data->getTableAttributes($_REQUEST['table']);
$tables = $data->getTables(true);
$selColumns = new XHTML_select('TableColumnList', true, 10);
$selColumns->set_style('width: 15em;');
if ($attrs->recordCount() > 0) {
while (!$attrs->EOF) {
$selColumns->add(new XHTML_Option($attrs->fields['attname']));
$attrs->moveNext();
}
}
$selIndex = new XHTML_select('IndexColumnList[]', true, 10);
$selIndex->set_style('width: 15em;');
$selIndex->set_attribute('id', 'IndexColumnList');
$buttonAdd = new XHTML_Button('add', '>>');
$buttonAdd->set_attribute('onclick', 'buttonPressed(this);');
$buttonAdd->set_attribute('type', 'button');
$buttonRemove = new XHTML_Button('remove', '<<');
$buttonRemove->set_attribute('onclick', 'buttonPressed(this);');
$buttonRemove->set_attribute('type', 'button');
echo "<form onsubmit=\"doSelectAll();\" name=\"formIndex\" action=\"constraints.php\" method=\"post\">\n";
echo "<table>\n";
echo "<tr><th class=\"data\" colspan=\"3\">{$lang['strname']}</th></tr>\n";
echo "<tr><td class=\"data1\" colspan=\"3\"><input type=\"text\" name=\"name\" size=\"32\" maxlength=\"{$data->_maxNameLen}\" /></td></tr>\n";
echo "<tr><th class=\"data\">{$lang['strtablecolumnlist']}</th><th class=\"data\"> </th><th class=\"data required\">{$lang['strfkcolumnlist']}</th></tr>\n";
echo "<tr><td class=\"data1\">" . $selColumns->fetch() . "</td>\n";
echo "<td class=\"data1\" style=\"text-align: center\">" . $buttonRemove->fetch() . $buttonAdd->fetch() . "</td>\n";
echo "<td class=data1>" . $selIndex->fetch() . "</td></tr>\n";
echo "<tr><th class=\"data\" colspan=\"3\">{$lang['strfktarget']}</th></tr>";
echo "<tr>";
echo "<td class=\"data1\" colspan=\"3\"><select name=\"target\">";
while (!$tables->EOF) {
$key = array('schemaname' => $tables->fields['nspname'], 'tablename' => $tables->fields['relname']);
$key = serialize($key);
echo "<option value=\"", htmlspecialchars($key), "\">";
if ($data->hasSchemas() && $tables->fields['nspname'] != $_REQUEST['schema']) {
echo htmlspecialchars($tables->fields['nspname']), '.';
}
echo htmlspecialchars($tables->fields['relname']), "</option>\n";
$tables->moveNext();
}
echo "</select>\n";
echo "</td></tr>";
echo "</table>\n";
echo "<p><input type=\"hidden\" name=\"action\" value=\"save_add_foreign_key\" />\n";
echo $misc->form;
echo "<input type=\"hidden\" name=\"table\" value=\"", htmlspecialchars($_REQUEST['table']), "\" />\n";
echo "<input type=\"hidden\" name=\"stage\" value=\"2\" />\n";
echo "<input type=\"submit\" value=\"{$lang['stradd']}\" />\n";
echo "<input type=\"submit\" name=\"cancel\" value=\"{$lang['strcancel']}\" /></p>\n";
echo "</form>\n";
break;
}
}
/**
* Confirm and then actually add a PRIMARY KEY or UNIQUE constraint
*/
function addPrimaryOrUniqueKey($type, $confirm, $msg = '') {
global $data, $misc;
global $lang;
if (!isset($_POST['name'])) $_POST['name'] = '';
if ($confirm) {
if (!isset($_POST['name'])) $_POST['name'] = '';
if (!isset($_POST['tablespace'])) $_POST['tablespace'] = '';
$misc->printTrail('table');
switch ($type) {
case 'primary':
$misc->printTitle($lang['straddpk'],'pg.constraint.primary_key');
break;
case 'unique':
$misc->printTitle($lang['stradduniq'],'pg.constraint.unique_key');
break;
default:
doDefault($lang['strinvalidparam']);
return;
}
$misc->printMsg($msg);
$attrs = $data->getTableAttributes($_REQUEST['table']);
// Fetch all tablespaces from the database
if ($data->hasTablespaces()) $tablespaces = $data->getTablespaces();
$selColumns = new XHTML_select('TableColumnList', true, 10);
$selColumns->set_style('width: 15em;');
if ($attrs->recordCount() > 0) {
while (!$attrs->EOF) {
$selColumns->add(new XHTML_Option($attrs->fields['attname']));
$attrs->moveNext();
}
}
$selIndex = new XHTML_select('IndexColumnList[]', true, 10);
$selIndex->set_style('width: 15em;');
$selIndex->set_attribute('id', 'IndexColumnList');
$buttonAdd = new XHTML_Button('add', '>>');
$buttonAdd->set_attribute('onclick', 'buttonPressed(this);');
$buttonAdd->set_attribute('type', 'button');
$buttonRemove = new XHTML_Button('remove', '<<');
$buttonRemove->set_attribute('onclick', 'buttonPressed(this);');
$buttonRemove->set_attribute('type', 'button');
echo "<form onsubmit=\"doSelectAll();\" name=\"formIndex\" action=\"constraints.php\" method=\"post\">\n";
echo "<table>\n";
echo "<tr><th class=\"data\" colspan=\"3\">{$lang['strname']}</th></tr>";
echo "<tr>";
echo "<td class=\"data1\" colspan=\"3\"><input type=\"text\" name=\"name\" value=\"", htmlspecialchars($_POST['name']),
"\" size=\"32\" maxlength=\"{$data->_maxNameLen}\" /></td></tr>";
echo "<tr><th class=\"data\">{$lang['strtablecolumnlist']}</th><th class=\"data\"> </th><th class=\"data required\">{$lang['strindexcolumnlist']}</th></tr>\n";
echo "<tr><td class=\"data1\">" . $selColumns->fetch() . "</td>\n";
echo "<td class=\"data1\" style=\"text-align: center\">" . $buttonRemove->fetch() . $buttonAdd->fetch() . "</td>";
echo "<td class=data1>" . $selIndex->fetch() . "</td></tr>\n";
// Tablespace (if there are any)
if ($data->hasTablespaces() && $tablespaces->recordCount() > 0) {
echo "<tr><th class=\"data\" colspan=\"3\">{$lang['strtablespace']}</th></tr>";
echo "<tr><td class=\"data1\" colspan=\"3\"><select name=\"tablespace\">\n";
// Always offer the default (empty) option
echo "\t\t\t\t<option value=\"\"",
($_POST['tablespace'] == '') ? ' selected="selected"' : '', "></option>\n";
// Display all other tablespaces
while (!$tablespaces->EOF) {
$spcname = htmlspecialchars($tablespaces->fields['spcname']);
echo "\t\t\t\t<option value=\"{$spcname}\"",
($spcname == $_POST['tablespace']) ? ' selected="selected"' : '', ">{$spcname}</option>\n";
$tablespaces->moveNext();
}
echo "</select></td></tr>\n";
}
echo "</table>\n";
echo "<p><input type=\"hidden\" name=\"action\" value=\"save_add_primary_key\" />\n";
echo $misc->form;
echo "<input type=\"hidden\" name=\"table\" value=\"", htmlspecialchars($_REQUEST['table']), "\" />\n";
echo "<input type=\"hidden\" name=\"type\" value=\"", htmlspecialchars($type), "\" />\n";
echo "<input type=\"submit\" value=\"{$lang['stradd']}\" />\n";
echo "<input type=\"submit\" name=\"cancel\" value=\"{$lang['strcancel']}\" /></p>\n";
echo "</form>\n";
}
else {
// Default tablespace to empty if it isn't set
if (!isset($_POST['tablespace'])) $_POST['tablespace'] = '';
if ($_POST['type'] == 'primary') {
// Check that they've given at least one column
if (!isset($_POST['IndexColumnList']) || !is_array($_POST['IndexColumnList'])
|| sizeof($_POST['IndexColumnList']) == 0) addPrimaryOrUniqueKey($_POST['type'], true, $lang['strpkneedscols']);
else {
$status = $data->addPrimaryKey($_POST['table'], $_POST['IndexColumnList'], $_POST['name'], $_POST['tablespace']);
if ($status == 0)
doDefault($lang['strpkadded']);
else
addPrimaryOrUniqueKey($_POST['type'], true, $lang['strpkaddedbad']);
}
}
elseif ($_POST['type'] == 'unique') {
// Check that they've given at least one column
if (!isset($_POST['IndexColumnList']) || !is_array($_POST['IndexColumnList'])
|| sizeof($_POST['IndexColumnList']) == 0) addPrimaryOrUniqueKey($_POST['type'], true, $lang['struniqneedscols']);
else {
$status = $data->addUniqueKey($_POST['table'], $_POST['IndexColumnList'], $_POST['name'], $_POST['tablespace']);
if ($status == 0)
doDefault($lang['struniqadded']);
else
addPrimaryOrUniqueKey($_POST['type'], true, $lang['struniqaddedbad']);
}
}
else doDefault($lang['strinvalidparam']);
}
}
/**
* Confirm and then actually add a CHECK constraint
*/
function addCheck($confirm, $msg = '') {
global $data, $misc;
global $lang;
if (!isset($_POST['name'])) $_POST['name'] = '';
if (!isset($_POST['definition'])) $_POST['definition'] = '';
if ($confirm) {
$misc->printTrail('table');
$misc->printTitle($lang['straddcheck'],'pg.constraint.check');
$misc->printMsg($msg);
echo "<form action=\"constraints.php\" method=\"post\">\n";
echo "<table>\n";
echo "<tr><th class=\"data\">{$lang['strname']}</th>\n";
echo "<th class=\"data required\">{$lang['strdefinition']}</th></tr>\n";
echo "<tr><td class=\"data1\"><input name=\"name\" size=\"16\" maxlength=\"{$data->_maxNameLen}\" value=\"",
htmlspecialchars($_POST['name']), "\" /></td>\n";
echo "<td class=\"data1\">(<input name=\"definition\" size=\"32\" value=\"",
htmlspecialchars($_POST['definition']), "\" />)</td></tr>\n";
echo "</table>\n";
echo "<input type=\"hidden\" name=\"action\" value=\"save_add_check\" />\n";
echo "<input type=\"hidden\" name=\"table\" value=\"", htmlspecialchars($_REQUEST['table']), "\" />\n";
echo $misc->form;
echo "<p><input type=\"submit\" name=\"ok\" value=\"{$lang['stradd']}\" />\n";
echo "<input type=\"submit\" name=\"cancel\" value=\"{$lang['strcancel']}\" /></p>\n";
echo "</form>\n";
}
else {
if (trim($_POST['definition']) == '')
addCheck(true, $lang['strcheckneedsdefinition']);
else {
$status = $data->addCheckConstraint($_POST['table'],
$_POST['definition'], $_POST['name']);
if ($status == 0)
doDefault($lang['strcheckadded']);
else
addCheck(true, $lang['strcheckaddedbad']);
}
}
}
/**
* Show confirmation of drop and perform actual drop
*/
function doDrop($confirm) {
global $data, $misc;
global $lang;
if ($confirm) {
$misc->printTrail('constraint');
$misc->printTitle($lang['strdrop'],'pg.constraint.drop');
echo "<p>", sprintf($lang['strconfdropconstraint'], $misc->printVal($_REQUEST['constraint']),
$misc->printVal($_REQUEST['table'])), "</p>\n";
echo "<form action=\"constraints.php\" method=\"post\">\n";
echo "<input type=\"hidden\" name=\"action\" value=\"drop\" />\n";
echo "<input type=\"hidden\" name=\"table\" value=\"", htmlspecialchars($_REQUEST['table']), "\" />\n";
echo "<input type=\"hidden\" name=\"constraint\" value=\"", htmlspecialchars($_REQUEST['constraint']), "\" />\n";
echo "<input type=\"hidden\" name=\"type\" value=\"", htmlspecialchars($_REQUEST['type']), "\" />\n";
echo $misc->form;
// Show cascade drop option if supportd
if ($data->hasDropBehavior()) {
echo "<p><input type=\"checkbox\" id=\"cascade\" name=\"cascade\" /> <label for=\"cascade\">{$lang['strcascade']}</label></p>\n";
}
echo "<input type=\"submit\" name=\"drop\" value=\"{$lang['strdrop']}\" />\n";
echo "<input type=\"submit\" name=\"cancel\" value=\"{$lang['strcancel']}\" />\n";
echo "</form>\n";
}
else {
$status = $data->dropConstraint($_POST['constraint'], $_POST['table'], $_POST['type'], isset($_POST['cascade']));
if ($status == 0)
doDefault($lang['strconstraintdropped']);
else
doDefault($lang['strconstraintdroppedbad']);
}
}
/**
* List all the constraints on the table
*/
function doDefault($msg = '') {
global $data, $misc, $lang;
function cnPre(&$rowdata) {
global $data;
if (is_null($rowdata->fields['consrc'])) {
$atts = $data->getAttributeNames($_REQUEST['table'], explode(' ', $rowdata->fields['indkey']));
$rowdata->fields['+definition'] = ($rowdata->fields['contype'] == 'u' ? "UNIQUE (" : "PRIMARY KEY (") . join(',', $atts) . ')';
} else {
$rowdata->fields['+definition'] = $rowdata->fields['consrc'];
}
}
$misc->printTrail('table');
$misc->printTabs('table','constraints');
$misc->printMsg($msg);
$constraints = $data->getConstraints($_REQUEST['table']);
$columns = array(
'constraint' => array(
'title' => $lang['strname'],
'field' => field('conname'),
),
'definition' => array(
'title' => $lang['strdefinition'],
'field' => field('+definition'),
'type' => 'pre',
),
'actions' => array(
'title' => $lang['stractions'],
),
'comment' => array(
'title' => $lang['strcomment'],
'field' => field('constcomment'),
),
);
if (!$data->hasConstraintsInfo()) unset($columns['comment']);
$actions = array(
'drop' => array(
'title' => $lang['strdrop'],
'url' => "constraints.php?action=confirm_drop&{$misc->href}&table=".urlencode($_REQUEST['table'])."&",
'vars' => array('constraint' => 'conname', 'type' => 'contype'),
),
);
if (!$data->hasIsClustered()) unset($columns['clustered']);
$misc->printTable($constraints, $columns, $actions, $lang['strnoconstraints'], 'cnPre');
echo "<ul class=\"navlink\">\n\t<li><a href=\"constraints.php?action=add_check&{$misc->href}&table=", urlencode($_REQUEST['table']),
"\">{$lang['straddcheck']}</a></li>\n";
echo "\t<li><a href=\"constraints.php?action=add_unique_key&{$misc->href}&table=", urlencode($_REQUEST['table']),
"\">{$lang['stradduniq']}</a></li>\n";
echo "\t<li><a href=\"constraints.php?action=add_primary_key&{$misc->href}&table=", urlencode($_REQUEST['table']),
"\">{$lang['straddpk']}</a></li>\n";
echo "\t<li><a href=\"constraints.php?action=add_foreign_key&{$misc->href}&table=", urlencode($_REQUEST['table']),
"\">{$lang['straddfk']}</a></li>\n</ul>\n";
}
function doTree() {
global $misc, $data;
$constraints = $data->getConstraints($_REQUEST['table']);
$reqvars = $misc->getRequestVars('schema');
function getIcon($f) {
switch($f['contype']) {
case 'u':
return 'UniqueConstraint';
case 'c':
return 'CheckConstraint';
case 'f':
return 'ForeignKey';
case 'p':
return 'PrimaryKey';
}
}
$attrs = array(
'text' => field('conname'),
'icon' => callback('getIcon'),
);
$misc->printTreeXML($constraints, $attrs);
exit;
}
if ($action == 'tree') doTree();
$misc->printHeader($lang['strtables'] . ' - ' . $_REQUEST['table'] . ' - ' . $lang['strconstraints'],
"<script src=\"indexes.js\" type=\"text/javascript\"></script>");
if ($action == 'add_unique_key' || $action == 'save_add_unique_key'
|| $action == 'add_primary_key' || $action == 'save_add_primary_key'
|| $action == 'add_foreign_key' || $action == 'save_add_foreign_key')
echo "<body onload=\"init();\">";
else
$misc->printBody();
switch ($action) {
case 'add_foreign_key':
addForeignKey(1);
break;
case 'save_add_foreign_key':
if (isset($_POST['cancel'])) doDefault();
else addForeignKey($_REQUEST['stage']);
break;
case 'add_unique_key':
addPrimaryOrUniqueKey('unique', true);
break;
case 'save_add_unique_key':
if (isset($_POST['cancel'])) doDefault();
else addPrimaryOrUniqueKey('unique', false);
break;
case 'add_primary_key':
addPrimaryOrUniqueKey('primary', true);
break;
case 'save_add_primary_key':
if (isset($_POST['cancel'])) doDefault();
else addPrimaryOrUniqueKey('primary', false);
break;
case 'add_check':
addCheck(true);
break;
case 'save_add_check':
if (isset($_POST['cancel'])) doDefault();
else addCheck(false);
break;
case 'save_create':
doSaveCreate();
break;
case 'create':
doCreate();
break;
case 'drop':
if (isset($_POST['drop'])) doDrop(false);
else doDefault();
break;
case 'confirm_drop':
doDrop(true);
break;
default:
doDefault();
break;
}
$misc->printFooter();
?>
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